dates.age
Age in whole years on a given date, with 29 February birthdays ageing on 1 March in other years.
age in TypeScriptTagged date-of-birth
6 capabilities
education.school-year-group
School year group from date of birth on a date, by UK nation: Reception to Year 13, P1 to S6, P1 to Year 14.
schoolYearGroup in TypeScript
form.date-parts
Check a date typed into day, month and year boxes, with GOV.UK's error messages and the boxes to mark in error.
validateDateParts in TypeScript
health.age-in-months Unreviewed
Age in completed months and days on a given date, for paediatric charts and doses; month ends handled like birthdays.
ageInMonths in TypeScript
insurance.age-banding Unreviewed
Age at policy inception and the rating band it falls in, from a table of age bands.
ageBand in TypeScript
react.form.date-input React ^19 · TypeScript only
Day, month and year boxes under one legend, with hint, error message and the boxes in error marked (GOV.UK date input).
DateInput in TypeScript